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MZ-G750/R700
4444
• IC BLOCK DIAGRAMS
IC501 SN761057DBT
1
TE
REXT
Wpp LPF
VREF
C
D
D-C
Iy
Ix
Jx
Jy
A
A-C
B
ADIP-IN
FE
ABCD
OFC-1
OFC-2
PS
LP
EQ
AGND
RF OUT
CCSL2
VC
XRST
SCK
SBUS
VREF075
PEAK
BOTM
DGND
OFTRK
S-MON
TON-C
CIG
CDN
ADIP
DVDD
PD-I
PD-NI
PD-O
43
44
TWpp
PK/BTM
Aw
CSLO
VREF075
A-C
D-C
Malfa
Mij
AwBPF
Dw
DwBPF
42
39
AVCC
38
37
36
35
34
31
30
29
28
27
26
25
24
23
40
41
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
A+B+C+D
I+J
NPP
TON
CSL
Aw+Dw
TON Peak
TON Botm
ADIP
TE
TEMP
33
32
S-MONITOR
TE
RF
FE
APC
ADIP
T-ON
SERIAL
I/F
PEAK/BOTM
OF TRK
ABCD
Tpp/Wpp
IC1002 XC61CN1102MR (MZ-G750)
IC1004 XC61CN1702MR (MZ-G750)
IC1005 XC61CN1002MR (MZ-G750)
21 3
VSS VINVOUT
VREF
IC1006 XC6371C271PR (MZ-G750)
123
VLX
LIMITER
PWM/PFW
CONTROL
OSC
BUFFER
PHASE
COMP
VREF
SLOW
START
CHIP ENABLE
54
EXT VSS
CE NCVOUT
VDD
IC551 SC111257FCR2
43
PRE DRIVER
PRE DRIVER
+
–
48
47
44
45
46
49
50
51
+
–
52
+
–
53
54
55
56
1 2 3 4 5
42 41 39 373840
+
–
+
–
6
3PHASE
CONTROL
35 34 3336 31 30 2932
8 9 107 12 13 14
15
11
H-BRIDGE
CONTROL
PRE DRIVER
H-BRIDGE
CONTROL
26
27
28
24
23
22
21
20
25
17
16
18
19
VC
VC
VG
VG
VC
VC VC
H-BRIDGE
CONTROL
H-BRIDGE
CONTROL
VC
VG
VC
VC
VC VG
PRE DRIVER PRE DRIVER
VC
VC
VG
VC VG
BIAS
PGNDW
UO
PGNDUV
WO
VMVW
VO
VMU
GND2
CPWI
CPVI
CPUI
COM
CPWO
CPVO
CPUO
WI
VI
UI
PWM
OE
RO1
PGND1
FO1
VM1
RO2
PGND2
FO2
VM12
VM2
FI4
RI4
VM4
FI3
VG
VC
GND1
PWM24
RI3
FI2
RI2
RI1
FI1
CPAIP
CPAIM
CPBIM
CPBO
CPAO
CPBIP
RO3
PGND3
FO3
VM3
RO4
PGND4
FO4
VM34
IC303 NJM2173AV
REG
GV
14 13 12 11 10 9 8
1 2 3 4 5 6 7
OUT2
DC
CUT2
MIC
V+2IN2 GV STBY V+
OUT1
DC
CUT1
MIC
V+1
IN1 REG NOISE GND